------------[ cut here ]------------ RTNL: assertion failed at ./include/net/netdev_lock.h (72) WARNING: CPU: 0 PID: 8509 at ./include/net/netdev_lock.h:72 netdev_ops_assert_locked include/net/netdev_lock.h:72 [inline] WARNING: CPU: 0 PID: 8509 at ./include/net/netdev_lock.h:72 __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 Modules linked in: CPU: 0 UID: 0 PID: 8509 Comm: kworker/u8:9 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 Workqueue: bond0 bond_mii_monitor pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : netdev_ops_assert_locked include/net/netdev_lock.h:72 [inline] pc : __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 lr : netdev_ops_assert_locked include/net/netdev_lock.h:72 [inline] lr : __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 sp : ffff8000a0577670 x29: ffff8000a0577670 x28: ffff80008c7c18c0 x27: 1fffe0001a765801 x26: dfff800000000000 x25: ffff7000140aeee0 x24: dfff800000000000 x23: ffff0000d3b2c2e8 x22: ffff80008c7c2420 x21: 0000000000000000 x20: ffff800092df6000 x19: ffff0000d3b2c000 x18: 00000000ffffffff x17: ffff800093507000 x16: ffff80008b007340 x15: 0000000000000001 x14: 1ffff000140aee3c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 824bf0fe32342f00 x8 : 824bf0fe32342f00 x7 : ffff800080563af4 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000807de560 x2 : 0000000000000002 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: netdev_ops_assert_locked include/net/netdev_lock.h:72 [inline] (P) __linkwatch_sync_dev+0x2d8/0x314 net/core/link_watch.c:279 (P) ethtool_op_get_link+0x20/0x68 net/ethtool/ioctl.c:63 bond_check_dev_link+0x338/0x560 drivers/net/bonding/bond_main.c:865 bond_miimon_inspect drivers/net/bonding/bond_main.c:2762 [inline] bond_mii_monitor+0x3a0/0x2658 drivers/net/bonding/bond_main.c:2984 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 317100 hardirqs last enabled at (317099): [] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:86 [inline] hardirqs last enabled at (317099): [] exit_to_kernel_mode+0xc0/0xf0 arch/arm64/kernel/entry-common.c:96 hardirqs last disabled at (317100): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (317042): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (317042): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:835 [inline] softirqs last enabled at (317042): [] nsim_dev_trap_report_work+0x67c/0x9fc drivers/net/netdevsim/dev.c:866 softirqs last disabled at (317040): [] spin_lock_bh include/linux/spinlock.h:356 [inline] softirqs last disabled at (317040): [] nsim_dev_trap_report drivers/net/netdevsim/dev.c:831 [inline] softirqs last disabled at (317040): [] nsim_dev_trap_report_work+0x5f4/0x9fc drivers/net/netdevsim/dev.c:866 ---[ end trace 0000000000000000 ]---